nEW dELHI, June 30 -- INDIA bloc partners may collectively raise the Election Commission of India's (ECI) move to conduct a door-to-door special intensive revision (SIR) of electoral rolls in Bihar, just months before the crucial assembly polls, in the upcoming monsoon session of Parliament, senior leaders of the Opposition grouping said on Sunday. "The talks among INDIA bloc allies have already started on this issue," a senior Trinamool Congress (TMC) leader said on condition of anonymity. In Patna, senior Congress leader Digvijaya Singh said all constituents of INDIA bloc may move the judiciary against the ongoing SIR if the poll body does not accept opposition parties' objections. "...All constituents of INDIA bloc may knock the door of...